Cyber Security Notes

Welcome, Introduction & Motivation

  • Course: COMP2027 Cyber Security, Autumn 2025 Semester
  • Overview of course structure and importance of cybersecurity.

Agenda

  • Introduction to course and topics
  • Major aspects of Cyber Security
    • Cyber Law
    • Cyber Crime
    • Cyber Warfare
    • Cyber Defence
    • Cyber Offense
    • Cyber Attack
    • Cyber Space
    • Cyber Risk
  • Importance of studying Cyber Security
  • Course assessment details
  • Q&A session

Why Cyber Security?

  • Cybersecurity is crucial for individual and organizational protection.
  • Personal devices contain sensitive info that hackers seek (e.g., birthdates, emails).
  • Example scenario: A hacked contact list can lead to phishing attacks.
  • Responsibility lies with individuals to protect themselves and others.
  • Hackers exploit the lack of international trust and law enforcement, leading to large-scale criminal activities.
  • Economic loss from cyber crime projected to reach $3 trillion by 2020.
  • 74% of businesses expect to face hacking attempts.
  • Significant impact evidenced by the 2017 WannaCry attack, affecting 150 countries and major institutions like NHS.

Cyber Attack Statistics

  • Countries with significant cyber attacks (2006-2020)
    • United States: 989
    • United Kingdom: 665
    • India: 156
    • Significant cyber attack defined as damaging government or high-tech company operations with losses over $1 million.

Types of Cyber Security

  1. Cyber Law: Legal frameworks managing internet and cyberspace issues.
  2. Cyber Crime: Criminal activities conducted via computing or the internet.
  3. Cyber Warfare: Disruption of state activities through IT systems.
  4. Cyber Defence: Engaging adversaries to protect systems.
  5. Cyber Offense: Attacks aimed at disrupting or damaging targets.
  6. Cyber Attack: Attempts to damage networks or systems.
  7. Cyber Space: Virtual environment for global communication.
  8. Cyber Risk: Financial loss or damage from IT system failures.

Definition of Cyber Security

  • Cyber Security is the state of being protected against criminal or unauthorized use of electronic data.
  • Encompasses the measures taken for this protection.

Importance of Learning Cyber Security

  • Course exploration will cover:
    • Network Security
    • Vulnerability Assessments
    • Ethical Hacking
    • Cryptography
    • Access Control
    • Public Key Infrastructure
    • Threat Intelligence and much more…
  • Emphasis on continuous learning and adaptability to new challenges in the field.

In-Demand Cybersecurity Skills

  • Skills ranked based on job listings include:
    1. Technical Ability/Mindset
    2. Responsibility
    3. Communication Skills
    4. Passion for cybersecurity
    5. Attention to Detail
    • Many more attributes valued in candidates.

Workforce Needs in Cyber Security

  • Strong demand for cybersecurity professionals globally, with a projected shortage of 3 million professionals
  • Regionally, APAC has about 2.14 million shortfall.
  • Cybersecurity positions are vital in addressing emerging tech and privacy legislation.

Average Salaries in Cyber Security

  • Computer Security Specialist: AU$102,592
  • Information Security Manager: AU$127,273
  • Security Consultant: AU$89,188
  • Chief Information Security Officer: AU$193,167

Course and Assessment Structure

  • Core subject for various degrees, no prerequisites but recommended foundational skills.
  • Engagement through lectures and tutorials is strongly encouraged.
  • Assessment structure:
    • Mid-Semester Exam: 60%
    • Final Exam: 40%
    • Continuous quizzes and activities based on lecture content.
  • A dedicated textbook and online resources recommended for study.

Final Remarks

  • Encouragement to begin the journey into cybersecurity with dedication and enthusiasm.
  • Expect to face significant learning but with ample support to thrive.
  • Commitment to staying updated with trends and innovations in cybersecurity.